Circulatory & Respiratory Systems Quiz

How many chambers are in the heart?

• One

• Two

• Three

• Four

When blood leaves the right atrium, it enters the ______.

• Left atrium

• Right ventricle

• Left ventricle

• None of the above

The only type of artery in the body which carries deoxygenated blood is ______.

• A superior vena cava

• An inferior vena cava

• A pulmonary artery

• An aorta

The only type of vein in the body which carries oxygenated blood is ______.

• A pulmonary vein

• A pulmonary trunk

• A superior vena cava

• An inferior vena cava

The pressure exerted by the left ventricle must push blood where?

• To the body

• To the lungs and back to the left atrium

• To the lungs and back to the right atrium

• To the aorta only

Which chamber has the thickest muscular wall?

• The right atrium

• The left atrium

• The right ventricle

• The left ventricle

The grooves in which the coronary arteries lie are known as which of the following?

• Sulci

• Chordae tendineae

• Papillary muscles

• Cusps

The right ventricle must exert enough pressure to push the blood where?

• To the lungs and back to the left atrium

• To the lungs and body

• To the body and back to the left ventricle

• To the body only

Heart attacks can result from a blockage of

• The trachea

• The bronchus

• A coronary artery

• The superior vena cava

The valve between the left atrium and left ventricle is known as the:

• Tricuspid valve

• Pulmonary semi-lunar valve

• Aortic semi-lunar valve

• Bicuspid valve